Home / 1,284,388.88-1,772,457.42-703,633.12

Finding the Fourth Proportional to 1,284,388.88, 1,772,457.42 and 703,633.12

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Solution

The fourth proportional to 1,284,388.88, 1,772,457.42 and 703,633.12 is: 971,014.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,388.88 : 1,772,457.42 = 703,633.12 : x
  2. Step 2: Convert to fraction form
    1,284,388.88/1,772,457.42 = 703,633.12/x
  3. Step 3: Cross multiply
    1,284,388.88x = 1,772,457.42 × 703,633.12
  4. Step 4: Simplify right side
    1,284,388.88x = 1,247,159,734,279.81
  5. Step 5: Solve for x
    x = 1,247,159,734,279.81/1,284,388.88
  6. Step 6: Final answer
    x = 971,014.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.